Dsa
Recursion
Warm-up
The Mirror Count
Write a recursive function to print a shrinking and expanding sequence of numbers. Given N, print N, N-1, ... down to 1, and then back up to N, all on one line separated by spaces.
Input Format: A single integer N.
Output Format: A sequence of integers separated by spaces.
Example:
Input: 3
Output: 3 2 1 2 3
Key concepts
recursionmath
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